Imagine a personal heating system that works indoors as well as outdoors, can be taken anywhere, requires little energy, and is independent of any infrastructure. It exists – and is hundreds of years old.
  • taiidan@slrpnk.net
    0·
    18 days ago

    Our cats really like the electric heated pillows to lay on. We keep the house ~60F so if we’re out for a significant period of time, the hot water bottle wouldn’t work. Plus good luck getting a kid to hold on to a hot water bottle while moving around.